Coloured fluid under the car, coolant level dropping
This page is for information only; a mechanic makes the diagnosis.
Likely causes
A green, pink, blue or orange fluid with a sweet smell at the front of the car is coolant (antifreeze). The leak usually comes from the radiator, hose connections, the water pump or the expansion tank.
Can I keep driving?
A car losing coolant will overheat; check the level with the engine cold and have a mechanic find the source if it keeps dropping. Antifreeze is toxic, so clean up any spills.
Related parts
Tap a part to see listings of that type.
The same symptom can have different causes; have a mechanic look at the vehicle before buying a part and, if possible, get the part code from them.
Frequently asked questions
What are the likely causes of "Coloured fluid under the car, coolant level dropping"?
A green, pink, blue or orange fluid with a sweet smell at the front of the car is coolant (antifreeze). The leak usually comes from the radiator, hose connections, the water pump or the expansion tank.
Can I drive with "Coloured fluid under the car, coolant level dropping"?
A car losing coolant will overheat; check the level with the engine cold and have a mechanic find the source if it keeps dropping. Antifreeze is toxic, so clean up any spills.
Which parts should be checked for "Coloured fluid under the car, coolant level dropping"?
Common causes include these parts: Radiator, Radiator Hose, Water Pump, Coolant Reservoir, Radiator Cap. The mechanic who sees the vehicle decides which one to replace.